[NE30-250: Total length: 250mm]
[NE30-150: Total length: 150mm]
[NE30-100: Total length: 100mm]
[NE30-200: Total length: 200mm]
[NE30-075: Total length: 75mm]
Use it to extend the socket when the wrench is difficult to operate, such as working in deep and narrow areas.